यदि (A(t)=58+7t) और (B(t)=91+13t), तो (B(t)-A(t)) किस प्रकार बदलता है?
If (A(t)=58+7t) and (B(t)=91+13t), how does (B(t)-A(t)) change?
Explanation opens after your attempt
A. हर चरण (6) बढ़ता हैIt increases by (6) each step
Concept
(B(t)-A(t)=33+6t). Its coefficient is (6), so the difference increases.
Why this answer is correct
The correct answer is A. हर चरण (6) बढ़ता है / It increases by (6) each step. (B(t)-A(t)=33+6t). Its coefficient is (6), so the difference increases.
Exam Tip
(B(t)-A(t)=33+6t) है। इसका गुणांक (6) है इसलिए अंतर बढ़ता है।
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